SOLUTION: A student is solving the equation s^2=9^2 and has determined that s=9. He or she has looked up the answer in the back of the book and finds that s=-9 is also a solution. The stud
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Question 315873: A student is solving the equation s^2=9^2 and has determined that s=9. He or she has looked up the answer in the back of the book and finds that s=-9 is also a solution. The student feels this is a misprint. How would you advise the student?
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Simply show him/her that and which can only mean that
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